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Dissertations / Theses on the topic 'Boron-doped diamond electrode'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

Heinert, Carter J. "IMPROVING THE DESIGN AND FABRICATION OF BORON-DOPED DIAMOND-ON-POLYMER IMPLANTABLE MICROELECTRODES." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1428068066.

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2

Neodo, Stefano. "Electrochemical monitoring of nickel-aluminium bronze crevice corrosion solutions using boron-doped diamond electrode." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/355881/.

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This study has demonstrated the capability of electrochemically assessing the metal–ion concentrations generated from the localised corrosion of nickel–aluminium bronzes (NAB). Prior to investigating NAB crevice corrosion, its electrochemical properties were studied at different pHs and chloride concentrations. At solution pHs higher than 4 NAB exhibited a corrosion behaviour similar to that of unalloyed copper and its oxidation was controlled by the dissolution of the copper–rich α–phase. However, as the pH was decreased below 4 the corrosion mechanism changed and the other κ–phases rich in a
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3

Hess, Euodia. "Boron-doped Diamond Sensors for the Determination of Organic Compounds in Aqueous Media." Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_5310_1305022937.

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<p>In electrochemical oxidation treatment of wastewater, the electrode material is an important parameter in optimizing oxidative electrochemical processes, since the mechanism and products of several anodic reactions are known to depend on the anode material. The electrochemical oxidation of benzaldehyde, nitrobenzene and m-cresol on bare boron-doped diamond (BDD) electrode was investigated. Cytochrome c was then electrochemically immobilsed onto the functionalized BDD electrode by cyclic voltammetry. Oxidation and reduction reaction mechanism of each flavonoid was studied. There was one oxid
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4

Saylor, Greg. "Toxicity Evolution and Persistence from Electrochemical Treatment of Phenol with Various Electrode Types." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1307440126.

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5

Young, Samantha. "Designing the Nanoparticle/Electrode Interface for Improved Electrocatalysis." Thesis, University of Oregon, 2018. http://hdl.handle.net/1794/23723.

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Nanoparticle-functionalized electrodes have attracted attention in areas such as energy production and storage, sensing, and electrosynthesis. The electrochemical properties of these electrodes depend upon the nanoparticle properties, e.g., core size, core morphology, surface chemistry, as well as the structure of the nanoparticle/electrode interface, including the coverage on the electrode surface, choice of electrode support, and the interface between the nanoparticle and the electrode support. Traditionally used methods of producing nanoparticle-functionalized electrodes lack sufficient c
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6

Mishra, Dhananjay. "Electrochemical Deactivation of Nitrate, Arsenate, and Trichloroethylene." Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/194084.

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This research investigated the mechanism, kinetics and feasibility of nitrate, arsenate, and trichloroethylene inactivation on zerovalent iron (ZVI), mixed-valent iron oxides, and boron doped diamond film electrode surfaces, respectively. Nitrate ( ) is a common co-contaminant at sites remediated using permeable reactive barriers (PRBs). Therefore, understanding nitrate reactions with ZVI is important for understanding the performance of PRBs. This study investigated the reaction mechanisms of with ZVI under conditions relevant to groundwater treatment. Tafel analysis and electrochemical
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7

Fillis, Ismarelda Rosaline. "Determination of Chromium(VI), Vanadium(V), Selenium(IV) and Zinc(II) in the City of Cape Town's potable water by stripping voltammetry at boron doped diamond electrodes." University of the Western Cape, 2011. http://hdl.handle.net/11394/5417.

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>Magister Scientiae - MSc<br>The main aim of this study is to investigate theelectrochemical determination of two beneficial (selenium and zinc) and two toxic (chromium and vanadium) metals in the potable water within the City of Cape Town's distribution area. The Water Laboratory of the City's Scientific Services Branch analyses for these metals in their elemental state, using the Inductively Coupled Plasma Optical Emission Spectrometer (ICP-OES). This is a standard method used for the detection of trace metals. The most sensitive voltammetric method for determining these metals is by a
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8

Oliveira, SÃmeque do Nascimento. "Desenvolvimento de metodologia eletroanalÃtica para a determinaÃÃo de Imipramina em formulaÃÃes comerciais utilizando eteltrodo de diamante dopado com Boro." Universidade Federal do CearÃ, 2010. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=4653.

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nÃo hÃ<br>Este trabalho descreve o desenvolvimento de uma proposta de procedimento eletroanalÃtico para a determinaÃÃo do antidepressivo tricÃclico imipramina (IMP) em formulaÃÃes farmacÃuticas comerciais, utilizando eletrodo de diamante dopado com boro (EDDB) e voltametria de onda quadrada (VOQ). Os estudos da oxidaÃÃo eletroquÃmica da IMP foram realizados em soluÃÃo de tampÃo Britton-Robbinson (BR) 0,04 mol L-1. Os resultados utilizando VOQ mostraram dois picos de oxidaÃÃo bem definidos, com pico 1 em 0,04 V e pico 2 em 0,82 V versus Ag/AgCl/Cl- 3 mol L-1. Para o desenvolvimento dos estudos
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9

Ureña, de Vivanco Mateo Joaquín Verfasser], Brigitte [Akademischer Betreuer] [Helmreich, Martin [Akademischer Betreuer] Jekel, and Michael [Akademischer Betreuer] Schuster. "Characterisation of a Boron-Doped Diamond Electrode and Applications for the Oxidation of Pharmaceutical Substances and Disinfection in Water / Mateo Joaquín Ureña de Vivanco. Gutachter: Martin Jekel ; Michael Schuster ; Brigitte Helmreich. Betreuer: Brigitte Helmreich." München : Universitätsbibliothek der TU München, 2013. http://d-nb.info/1064523161/34.

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10

Costa, Daniel Jackson Estevam da. "Metomil: investigação eletroquímica e desenvolvimento de metodologias voltamétricas usando eletrodo de diamante dopado com boro." Universidade Federal da Paraí­ba, 2013. http://tede.biblioteca.ufpb.br:8080/handle/tede/7118.

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Made available in DSpace on 2015-05-14T13:21:30Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 3679854 bytes, checksum: 205bff7f378aac18a609a434ae6abfdd (MD5) Previous issue date: 2013-09-17<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Methomyl is a carbamate insecticide widely used to control pests in crops. It is a potential contaminant in groundwater (half-life of 50 weeks) showing harmful effects to fish, aquatic invertebrates, and mammals, reported several cases of human poisoning, affecting the central nervous system. In general, involves the analytical c
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11

Rajab, Mohamad Dib Verfasser], Brigitte [Akademischer Betreuer] [Helmreich, Martin [Akademischer Betreuer] Jekel, and Michael [Akademischer Betreuer] Schuster. "Electrochemical oxidation using a boron doped diamond electrode as a water treatment process- removal of residual micropollutants and inac-tivation of microorganisms / Mohamad Dib Rajab. Gutachter: Martin Jekel ; Michael Schuster ; Brigitte Helmreich. Betreuer: Brigitte Helmreich." München : Universitätsbibliothek der TU München, 2015. http://d-nb.info/1075317290/34.

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12

Naidoo, Kaveshini. "Electrochemical behavious of boron-doped diamond electrodes." Pretoria : [s.n.], 2001. http://upetd.up.ac.za/thesis/available/etd-11212005-173041/.

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13

KIM, SUNHYUNG. "Boron-Doped Diamond Electrodes for Neural Stimulation." Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1393845837.

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14

Lucas, Francisco Willian de Souza. "Detecção Eletroanalítica e Estudo do Mecanismo de Oxidação do Pesticida Dimetomorfe." reponame:Repositório Institucional da UFC, 2012. http://www.repositorio.ufc.br/handle/riufc/14098.

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LUCAS, F. W. S.; CORREIA, A. N. Detecção Eletroanalítica e Estudo do Mecanismo de Oxidação do Pesticida Dimetomorfe. 2012. 54 f. Dissertação (Mestrado em Química) - Centro de Ciências, Universidade Federal do Ceará, Fortaleza, 2012.<br>Submitted by José Jairo Viana de Sousa (jairo@ufc.br) on 2014-11-07T19:32:30Z No. of bitstreams: 1 2012_dis_fwlucas.pdf: 1580068 bytes, checksum: 647901a551ada8eb15811c67fb68d6df (MD5)<br>Approved for entry into archive by José Jairo Viana de Sousa(jairo@ufc.br) on 2015-11-24T17:57:29Z (GMT) No. of bitstreams: 1 2012_dis_fwlucas.pdf: 1580068 bytes, checksum: 64
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15

Nogueira, Fernanda da Silva. "Desenvolvimento de metodologia para a determinação de fungicidas da classe das estrobilurinas usando cromatografia líquida de alta eficiência com detecção simultânea ultravioleta e eletroquímica." Universidade Federal de Juiz de Fora (UFJF), 2016. https://repositorio.ufjf.br/jspui/handle/ufjf/4444.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-05-09T15:10:00Z No. of bitstreams: 1 fernandadasilvanogueira.pdf: 2728835 bytes, checksum: 4d0c08d9506f20bb35bc5239101ac904 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-05-17T14:15:15Z (GMT) No. of bitstreams: 1 fernandadasilvanogueira.pdf: 2728835 bytes, checksum: 4d0c08d9506f20bb35bc5239101ac904 (MD5)<br>Made available in DSpace on 2017-05-17T14:15:15Z (GMT). No. of bitstreams: 1 fernandadasilvanogueira.pdf: 2728835 bytes, checksum: 4d0c08d9506f20bb35bc5239101ac904 (MD5) Pr
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Azevedo, Gustavo Chevitarese. "Determinação amperométrica de peróxido de hidrogênio em amostras de mel e gel para clareamento dentário usando eletrodo de diamante dopado com boro." Universidade Federal de Juiz de Fora (UFJF), 2014. https://repositorio.ufjf.br/jspui/handle/ufjf/4437.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-05-08T19:19:58Z No. of bitstreams: 1 gustavochevitareseazevedo.pdf: 2779893 bytes, checksum: 1a5b90a61219925e6a36e7286909b45f (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-05-17T14:04:49Z (GMT) No. of bitstreams: 1 gustavochevitareseazevedo.pdf: 2779893 bytes, checksum: 1a5b90a61219925e6a36e7286909b45f (MD5)<br>Made available in DSpace on 2017-05-17T14:04:49Z (GMT). No. of bitstreams: 1 gustavochevitareseazevedo.pdf: 2779893 bytes, checksum: 1a5b90a61219925e6a36e7286909b45f (MD5)
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17

Read, Tania L. "Development of boron doped diamond electrodes for heavy metal detection." Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/83225/.

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Due to their high toxicity and prevalence in natural waters, trace heavy metals are of great concern to environmental analysts. The development of techniques with the ability to detect and quantify ppb levels of heavy metal species in the environment, without the need for sample removal and pretreatment, is therefore a key interest. Popular methods for heavy metal detection such as X-ray Fluorescence (XRF) provide easy elemental identification but lack the low detection limits desirable, whereas electrochemical methods can provide low detection limits but signal assignment in complex samples i
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18

Lucas, Francisco Willian de Souza. "DetecÃÃo EletroanalÃtica e Estudo do Mecanismo de OxidaÃÃo do Pesticida Dimetomorfe." Universidade Federal do CearÃ, 2012. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=8348.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>O Dimetomorfe (DIM) pertence à classe dos fungicidas morfolÃnicos, tem aÃÃo sistÃmica, à persistente nas matrizes alimentÃcias e em solos de plantio onde foi aplicado e à um possÃvel interferente endÃcrino, o que justifica o desenvolvimento de metodologias para detecÃÃo e quantificaÃÃo desse composto. No estudo eletroquÃmico pode-se observar que DIM apresentou processo eletroquÃmico controlado por difusÃo e caracterizado como quasi-reversÃvel, com potencial de eletrodo em torno de 1,28 V vs. eletrodo de Ag/AgCl/Cl-(KCl sat.), ref
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19

Toghill, Kathryn E. "Metal modified boron doped diamond electrodes and their use in electroanalysis." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:a50bd311-d607-4505-8279-09188638cf2d.

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The experimental work discussed in this thesis explores the effects of metal modification on the electroanalytical ability of boron doped diamond electrodes. Boron doped diamond (BDD) electrodes have found increased application to electroanalysis in the past two decades, yet relatively little of the literature is focused on metal, nano and microparticle modification of the substrate. In this thesis three metals have been used to modify the BDD electrode; bismuth, antimony and nickel. Bismuth and antimony nanoparticle modified BDD electrodes were directly compared to unmodified BDD and a bulk b
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20

Honório, Gláucio Gualtieri. "Quantificação de cobre, cádmio, chumbo e zinco em mel por voltametria de pulso diferencial com eletrodo de diamante dopado com boro." Universidade Federal de Juiz de Fora, 2013. https://repositorio.ufjf.br/jspui/handle/ufjf/1070.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-03-31T12:15:22Z No. of bitstreams: 1 glauciogualtierihonorio.pdf: 2076153 bytes, checksum: 5da73e6a28cee53b63fa855e4efb6984 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-04-24T02:56:41Z (GMT) No. of bitstreams: 1 glauciogualtierihonorio.pdf: 2076153 bytes, checksum: 5da73e6a28cee53b63fa855e4efb6984 (MD5)<br>Made available in DSpace on 2016-04-24T02:56:41Z (GMT). No. of bitstreams: 1 glauciogualtierihonorio.pdf: 2076153 bytes, checksum: 5da73e6a28cee53b63fa855e4efb6984 (MD5) Pr
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Julião, Murilo Sérgio da Silva. "Comportamento eletroquímico de nitrofuranos em eletrodos de diamante dopado com boro-modelo para o mecanismo de ação de nitrocompostos com atividades antichagásica." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/46/46133/tde-09052007-103623/.

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O comportamento eletroquímico do Nitrofural (NFZ) foi estudado em eletrodos de pasta de carbono, carbono vítreo e diamante altamente dopado com boro (EDADB) em tampão Britton-Robinson (BR) usando a voltametria cíclica. Os melhores resultados foram obtidos em EDADB, no qual foi possível estabilizar o radical aniônico (R-NO2&#8226;&#8254) em meio predominantemente aquoso, como também estudar a interação entre o R-NO2&#8226;&#8254; a glutationa (GSH), a L-cisteína (Cis) e o O2. Somente na superfície do EDADB, o NFZ foi diretamente reduzido à amina derivada (R-NH2) no intervalo de 2,02 &#8804; pH
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22

Ferraz, Bruno Regis Lyrio. "Desenvolvimento e valida??o de metodologias eletroanal?ticas para determina??o de f?rmacos antituberculose." UFVJM, 2016. http://acervo.ufvjm.edu.br/jspui/handle/1/1012.

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Submitted by M?rden L?les (marden.inacio@ufvjm.edu.br) on 2016-07-14T23:55:27Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Bruno Regis Lyrio Ferraz.PDF: 3015137 bytes, checksum: d479e9335e2f200939b52075f9b84382 (MD5)<br>Rejected by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br), reason: Inserir ano em nota de tese. Inserir t?tulo em ingl?s Inserir tipo de trabalho on 2016-07-18T15:05:26Z (GMT)<br>Submitted by M?rden L?les (marden.inacio@ufvjm.edu.br) on 2016-07-19T20:24:24Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98
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Alecrim, Morgana Fernandes. "Avalia??o do comportamento eletroqu?mico da cotinina no eletrodo de diamante dopado com boro e estudos para sua determina??o em saliva por amperometria pulsada em fluxo." UFVJM, 2016. http://acervo.ufvjm.edu.br/jspui/handle/1/1127.

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Data de aprova??o ausente.<br>Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2016-12-20T14:07:54Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) morgana_fernandes_alecrim.pdf: 1686041 bytes, checksum: c2250fb532be684ddef616d3424c8dc0 (MD5)<br>Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-01-17T18:51:10Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) morgana_fernandes_alecrim.pdf: 1686041 bytes, checksum: c2250fb532be684ddef616d3424
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Wang, Shihua. "Structure-function relationship of boron-doped diamond thin-film electrodes and application for in vitro amperometric measurements." Diss., Connect to online resource - MSU authorized users, 2008.

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25

Amorim, Kamila Pereira de. "Desenvolvimento de um método por ponto nuvem dos hormônios naturais E1 e E2 em amostras de urina e determinação por CLAE/EC utilizando eletrodo de diamante dopado com boro." Universidade Federal de Goiás, 2015. http://repositorio.bc.ufg.br/tede/handle/tede/5073.

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Submitted by Luciana Ferreira (lucgeral@gmail.com) on 2016-01-08T08:39:40Z No. of bitstreams: 2 Dissertação - kamila Pereira de Amorim - 2015.pdf: 1653482 bytes, checksum: 57f33de27efd496be7b4807548727455 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-01-08T08:41:11Z (GMT) No. of bitstreams: 2 Dissertação - kamila Pereira de Amorim - 2015.pdf: 1653482 bytes, checksum: 57f33de27efd496be7b4807548727455 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b8630
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Hartmann, Andreas [Verfasser]. "Advanced electrochemical analysis: boron-doped diamond electrodes, electrocatalytic films, and combined SECM - SPR / Andreas Hartmann." Ulm : Universität Ulm, 2018. http://d-nb.info/1154486907/34.

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27

Carter, Kimberly Ellen. "THE USE OF BORON-DOPED DIAMOND FILM ELECTRODES FOR THE OXIDATIVE DEGRADATION OF PERFLUOROOCTANE SULFONATE AND TRICHLOROETHYLENE." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/195406.

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The current treatment of water contaminated with organic compounds includes adsorption, air stripping, and advanced oxidation processes. These methods large quantities of water and require excessive energy and time. A novel treatment process of concentrating and then electrochemically oxidizing compound would be a more feasible practice. This research investigated the oxidative destruction of perfluorooctane sulfonate (PFOS), perfluorobutane sulfonate (PFBS) and trichloroethene (TCE) at boron-doped diamond film electrodes and the adsorption of PFOS and PFBS on granular activated carbon and
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Vasconcelos, Vanessa Moura. "Degradação eletroquímica/química dos corantes têxteis Reativo Azul 19 e Reativo Preto 5 utilizando eletrodos de diamante dopado com boro e H2O2 eletrogerado em eletrodo de carbono vítreo reticulado." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/75/75135/tde-25112015-092817/.

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A problemática envolvendo os efluentes têxteis decorre principalmente da elevada coloração que apresentam, devido à presença de corantes que além de serem quimicamente estáveis, podem ser tóxicos e/ou carcinogênicos. Logo, quando são descartados in natura no meio ambiente causam problemas estéticos e, sobretudo, ambientais mesmo em baixas concentrações, além da possibilidade de serem nocivos à saúde humana e dos animais. Neste contexto, o objetivo deste trabalho foi estudar a degradação eletroquímica de dois corantes têxteis, Reativo Azul 19 (RA-19) e o Reativo Preto 5 (RP-5) via Oxidação Anód
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Shpilevaya, Inga. "Surface characterisation and functional properties of modified diamond electrodes." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:55c8243f-3779-4bcc-878a-999a067cc9c4.

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In this work, the use of modified diamond as an electrode material with superlative physical and electrochemical properties was investigated in a number of electrochemical applications. The surface chemistry of three differing forms of diamond, namely boron-doped microcrystalline diamond, boron-doped diamond powder and detonation nanodiamond powder was modified utilising such strategies as hydrogen plasma treatment, reactive ion plasma etching along with various chemical treatments. The surface and functional properties of the modified diamond electrodes were studied using a wide spectrum of t
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30

Kamouni, Belghiti Dounia. "Réseaux d'électrodes en diamant fonctionnalisées par des nanoparticules à base de métaux de transition pour applications analytiques." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066055/document.

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Les électrodes en diamant polycristallin dopé au bore (BDD) présentent beaucoup d'intérêts et notamment une large fenêtre de potentiel supérieure à 3 V en milieux aqueux, un faible courant résiduel et une excellente résistance à la corrosion et à l'encrassement. Ces propriétés en font donc un matériau de choix pour le développement de capteurs chimiques. Afin d'exalter la réactivité des électrodes BDD envers certains composés, notre approche a consisté à déposer sur la surface des électrodes des nanoparticules à base de métaux de transition comme le platine ou l'iridium. Ces nanoparticules pré
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Andrade, Glauber Ant?nio dos Reis. "Determina??o da teofilina, clindamicina, varfarina e verapamil por amperometria pulsada em sistema de an?lise por inje??o em batelada usando o eletrodo de diamante dopado com boro." UFVJM, 2016. http://acervo.ufvjm.edu.br/jspui/handle/1/1131.

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?rea de concentra??o: Qu?mica anal?tica.<br>Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2016-12-21T13:02:41Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) glauber_antonio_reis_andrade.pdf: 2400963 bytes, checksum: 99ec593844d6ba3a1107158d86656739 (MD5)<br>Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-01-21T11:09:00Z (GMT) No. of bitstreams: 2 license_rdf: 9 bytes, checksum: 42dd12a06de379d3ffa39b67dc9c7aff (MD5) glauber_antonio_reis_andrade.pdf: 2400963 bytes, checksum: 99ec593844d6
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Kamouni, Belghiti Dounia. "Réseaux d'électrodes en diamant fonctionnalisées par des nanoparticules à base de métaux de transition pour applications analytiques." Electronic Thesis or Diss., Paris 6, 2017. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2017PA066055.pdf.

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Les électrodes en diamant polycristallin dopé au bore (BDD) présentent beaucoup d'intérêts et notamment une large fenêtre de potentiel supérieure à 3 V en milieux aqueux, un faible courant résiduel et une excellente résistance à la corrosion et à l'encrassement. Ces propriétés en font donc un matériau de choix pour le développement de capteurs chimiques. Afin d'exalter la réactivité des électrodes BDD envers certains composés, notre approche a consisté à déposer sur la surface des électrodes des nanoparticules à base de métaux de transition comme le platine ou l'iridium. Ces nanoparticules pré
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33

Zazou, Hicham. "Dégradation de pesticides dans l’eau par les procédés d’oxydation avancée (POA)." Thesis, Paris Est, 2015. http://www.theses.fr/2015PEST1071/document.

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L'usage intensif de pesticides dans l'agriculture engendre une contamination sans précédent des eaux de surface et des nappes phréatiques. Les traitements classiques appliqués aux eaux usées contenant des produits organiques polluants sont basés sur la biodégradation ou sur des méthodes physiques de transfert de masse (décantation, filtration, adsorption des polluants sur du charbon actif) ou des procédés chimique tels que l'oxydation à l'ozone ou au chlore. Cependant, ces procédés demeurent inefficaces dans le cas de traitement des eaux contaminées par les polluants organiques persistants (PO
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34

Le, Thanh Son. "Contribution au développement d'un microsystème d'analyse, intégrant pré-concentration ionique par micro-électrodialyse et détection électrochimique sur diamant dopé au bore." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20026/document.

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Ce travail est une contribution à la conception d'un système portatif et intégré de type µTAS (micro-Total Analysis System) pour le traitement (préconcentration et simplification) de solution aqueuses contenant des métaux lourds et leur analyse en ligne. Pour la préconcentration amont, l'étude a porté sur la réalisation d'un micro-électrodialyseur manipulant des µL de solutions. L'optimisation des paramètres opératoires a permis d'augmenter d'un facteur 100 environ les concentrations d'analytes. Pour l'étage de détection aval, un système sur puce de type polarographique a été étudié. Le tradit
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35

Santos, Janete Clair da Silva. "Desenvolvimento de metodologias voltamétricas para determinação simultânea de carbofurano e metomil usando eletrodo de diamante dopado com boro." Universidade Federal da Paraíba, 2016. http://tede.biblioteca.ufpb.br:8080/handle/tede/9223.

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Submitted by ANA KARLA PEREIRA RODRIGUES (anakarla_@hotmail.com) on 2017-08-07T13:46:38Z No. of bitstreams: 1 arquivototal.pdf: 2969105 bytes, checksum: 49f5cf66f2a78db52f94fecddc4c5be1 (MD5)<br>Made available in DSpace on 2017-08-07T13:46:38Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 2969105 bytes, checksum: 49f5cf66f2a78db52f94fecddc4c5be1 (MD5) Previous issue date: 2016-07-22<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Carbofuran (2,2-dimethyl-2,3-dihydro-1-benzofuran-7yl-methylcarbamate) is a kind of pesticide with nematicide and acaricide power, belong
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Carreira, Francieli Cristiani. "Determinação de parabenos em antitranspirantes empregando voltametria sob eletrodo de diamante e cromatografia liquida de alta eficiencia." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249420.

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Orientador: Susanne Rath<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-08-11T06:57:29Z (GMT). No. of bitstreams: 1 Carreira_FrancieliCristiani_M.pdf: 773670 bytes, checksum: 6d050c7c60c651787ea726a2bdbbbd40 (MD5) Previous issue date: 2008<br>Resumo: Ésteres do ácido p¿hidróxibenzóico, tais como metilparabeno (MePa), etilparabeno (EtPa) e propilparabeno (PrPa) são conservantes químicos amplamente empregados em cosméticos, fármacos e alimentos. Uma vez que estes compostos estão associados a alergias, dermatites e proprie
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37

Banda, Giancarlo Richard Salazar. "\"Estudos da eletroquímica do diamante dopado com boro e da sua superfície modificada com catalisadores para a oxidação de metanol e etanol\"." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/75/75131/tde-11042007-112625/.

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Este trabalho mostra estudos das propriedades eletroquímicas do eletrodo de diamante dopado com boro (DDB) e descreve a utilização de eletrodos de DDB, modificados direta ou indiretamente pelo método Sol-gel, para a oxidação de metanol e de etanol em meio ácido. Do estudo das propriedades superficiais do diamante concluiu-se que a polarização catódica é bastante apropriada para um bom desempenho do material é que não introduz diferenças estruturais detectáveis no filme de DDB, indicando que a melhora na resposta eletroquímica é devida somente a mudanças superficiais. Entretanto, polarizações
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38

Virgilio, Francesca. "Development of electrochemical sensors by nanofabrication techniques for biological and medical diagnostics." Doctoral thesis, Università degli studi di Trieste, 2014. http://hdl.handle.net/10077/9979.

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2012/2013<br>In this work the fabrication and characterization of boron-doped diamond (BDD) nanoelectrode arrays are discussed. NEAs were obtained by creating an array of nanoholes by electron beam lithography (EBL) and Nanoimprint Lithography in a thin film of polycarbonate deposited on top of the macroelectrode. This approach leads to the formation of recessed nanoelectrodes. NEAs have been characterized with cyclic voltammetry and have provided voltammetric signals controlled by pure radial diffusion. Short ss-DNA have been immobilized on polycarbonate surface and hybridization experiments
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39

Fuku, Xolile Godfrey. "Cytochrome C biosensor for the determination of trace level arsenic and cyanide compounds." Thesis, University of the Western Cape, 2011. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_4183_1319807269.

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In this work, an electrochemical method based on a cyt c biosensor has been developed, for the detection of selected arsenic and cyanide compounds. Boron Doped Diamond (BDD) electrode was used as a transducer, onto which cyt c was immobilised and used for direct determination of Prussian blue, potassium cyanide and arsenic trioxide by inhibition mechanism. The sensitivity as calculated from cyclic voltammetry (CV) and square wave voltammetry (SWV), for each analyte in phosphate buffer (pH= 7) was found to be (1.087- 4.488 ×10-9 M) and the detection limits ranging from 0.0043- 9.1 μM. These v
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40

Lin, Ya-Ting, and 林雅婷. "Novel boron-doped diamond based electrode with determination of thallium (I)." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/51115910844789730865.

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碩士<br>淡江大學<br>化學學系碩士班<br>95<br>The boron-doped diamond (BDD) electrode has attractive intensive attention recently. There are two parts in this study. The first one, we used the microwave plasma enhanced chemical vapor deposition (MPECVD) prepared the boron-doped diamond electrode, and study the various factors influence of the diamond quality and electrochemical behavior, including C/H ratio、B/C ratio and growth time. Subsequently the boron-doped electrode was used to measure thallium. Thallium was measure by difference pulse stripping voltammetry(DPSV) at the optimum condition of buffer so
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41

Wu, Yi-Ching, and 吳奕慶. "Determination of arsenic(III) with platinum nanoparticle modified boron doped diamond electrode." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/12395939405266248893.

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碩士<br>淡江大學<br>化學學系碩士班<br>95<br>Conductive boron-doped diamond (BDD) electrode has attracted intensive attention recently. This prominent new material possess characteristics like its high electronic conductivity, excellent chemical inertness, a wide potential window, small residual current, as well as physical and chemical stability. This home-made BDD electrode, prepared by utilizing microwave plasma enhanced chemical vapor deposition (MPECVD) making electrode, is widely used for the detection environmental and biological samples. A new scheme to measure Arsenic(III) with platinum nanoparticl
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42

Nurhayati, Ervin, and 林海芬. "Boron-doped nanocrystalline diamond film electrode: Characterization, surface activation and application in decolorization and heavy metal measurement." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/80945414756002232312.

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博士<br>國立交通大學<br>環境工程系所<br>104<br>Diamond film electrode has been known as a material with very wide potential window for water electrolysis which leads to its applicability in numerous electrochemical processes. Its expansive application is even more driven by the possibility of producing synthetic polycrystalline diamond via chemical vapor deposition (CVD), a technique that is operated under low pressure and cost considerably lower compared to previously known High Pressure High Temperature (HPHT) technology. Especially in environmental application, boron-doped diamond (BDD) film electrode fi
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43

Dejmková, Hana. "Použití elektrod na bázi uhlíku k vývoji nových elektrochemických metod stanovení aminonitrofenolů." Doctoral thesis, 2013. http://www.nusl.cz/ntk/nusl-328664.

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4 ABSTRACT Methods for the determination of five isomers of aminonitrophenol were developed, based on the technique of differential pulse voltammetry (DPV) and HPLC with amperometric detection. As the working electrodes, boron-doped diamond film electrode (BDDFE) and glassy carvon paste electrode (GCPE) were employed. Preliminary electrode testing was performed by cyclic voltammetry. The methods were aimed to the determination of all five aminonitrophenol isomers in hair dyes and to the determination of 2-amino-4- nitrophenol and 4-amino-2-nitrophenol in body fluids after solid phase extractio
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44

Maixnerová, Lucie. "Využití bórem dopované diamantové filmové elektrody k voltametrické a ampérometrické detekci aminobifenylů." Master's thesis, 2010. http://www.nusl.cz/ntk/nusl-285464.

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The aim to this work was to develop methods for the determination of 2 aminobiphenyl (2-AB), 3 aminobiphenyl (3-AB), and 4-aminobiphenyl (4-AB) in model mixtures. Concretely, the direct determination of the mixture of studied analytes has been tested using spectrophotometry and differential pulse voltammetry (DPV). Furthermore, separation and detection of 2-AB, 3-AB, and 4-AB have been performed using high performance liquid chromatography with electrochemical detection (HPLC-ED) with boron-doped diamond film thin electrode (BDDFE) in ,,wall-jet" configuration and using high performance liquid
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45

Vosáhlová, Jana. "Bórem dopované diamantové elektrody: Využití pro stanovení redukovatelných organických látek." Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-339573.

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In this study the possibilities of utilization of boron-doped diamond (BDD) electrodes for electrochemical reduction of organic compounds and their determination in aqueous media were investigated. For this purpose BDD electrodes have several advantages (relative wide potential window in cathodic region, low sensitivity towards oxygen evolution) but are not frequently used. For the study were selected biologically active organic compounds with typical reducible groups. Vanillin (natural essential oil, synthetic aroma; reducible aromatic aldehyde) is not reducible at BDD electrode. Azidothymidi
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Vaněčková, Eva. "Využití tuhých elektrod na bázi uhlíku k elektrochemické oxidaci acikloviru." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-339203.

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Electrochemical oxidation of acyclovir at glassy-carbone electrode and boron-doped diamond electrode gives one pH-dependent oxidation signal; the corresponding electrode reaction is controlled by diffusion. It is followed by a second indistinctive signal in the pH range 2,0 - 9,0. Further, optimization of conditions was carried out for determination of acyclovir using DC and DP voltammetry. The calibration dependence on GC electrode in B−R buffer (pH = 6,0) is linear only in the concentration range from 2 to 10 μmol∙l−1 for DCV with limit of detection 0,38 μmol∙l−1; for DPV it is not linear. B
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47

Bláhová, Eva. "Vývoj voltametrických metod pro detekci cholesterolu a jeho prekursoru lathosterolu." Master's thesis, 2021. http://www.nusl.cz/ntk/nusl-448269.

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Cholesterol is an irreplaceable sterol found in animal cells, lathosterol is one of its precursors. The first aim of this Thesis is to develop a method for determining cholesterol after liquid- liquid extraction from milk matrices by differential pulse voltammetry on a boron doped diamond electrode in the presence of perchloric acid in acetonitrile where cholesterol provides an irreversible anodic response at the potential between +1300 and +1600 mV depending on the water content. The second aim is a study of the voltammetric behavior of lathosterol on boron doped diamond and glassy carbon ele
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48

Zavázalová, Jaroslava. "Borem dopovaný diamant a jeho využití v elektroanalýze derivátů aromatických sloučenin." Doctoral thesis, 2019. http://www.nusl.cz/ntk/nusl-405907.

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This work is devoted to the study of boron doped diamond as electrode material, its properties and use in electroanalytical methods - in voltammetric and subsequently amperometric methods in combination with high performance liquid chromatography. The series of boron doped diamond films was tested with respect to the effect of boron concentration on their morphology, quality, electrochemical and spectral properties using scanning electron microscopy, atomic force microscopy, Raman spectroscopy, and cyclic voltammetry and differential pulse voltammetry. Further, the effect of boron concentratio
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49

Hnízdilová, Lucie. "Vliv úpravy povrchu borem dopovaných diamantových elektrod na elektrochemickou oxidaci fenolu a jeho derivátů." Master's thesis, 2021. http://www.nusl.cz/ntk/nusl-448732.

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The aim of this thesis is the study of electrochemical oxidation of para-substituted phenol derivates using cyclic voltammetry (CV) and ,,direct current" voltammetry (DCV) on boron-doped diamond electrode (BDD) and comparison with some analogous meta-substituted compounds. Among the studied substances were p-cresol, 4-methoxyphenol, 4-hydroxybenzoic acid, 3-(4-hydroxyphenyl)propionic acid, 4-nitrophenol, 4-chlorophenol and 3-(trifluoromethyl)phenol. The oxidation of the analytes was performed in an acidic (pH 2,0) and basic (pH 11,0) Britton-Robinson buffer on mechanically polished, oxidated a
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50

Zelenský, Michal. "Vývoj voltametrických metod pro detekci fytosterolů na elektrodách na bázi uhlíku." Master's thesis, 2020. http://www.nusl.cz/ntk/nusl-434543.

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The aim of this diploma thesis was to develop an electrochemical method for three phytosterols, namely stigmasterol β-sitosterol and ergosterol using voltammetry techniques on glassy carbon electrode and boron doped diamond electrode. The work builds on previous results, where it was shown that the electrochemical oxidation of phytosterols requires perchloric acid in acetonitrile. When this acid is used, a dehydration reaction occurs. Calibration dependences were measured here for all phytosterols in an environment with a water content of 0.43%. The stability of the signal with increasing dist
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